timezone-boundary-builder
geolocator
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| timezone-boundary-builder | geolocator | |
|---|---|---|
| 7 | 1 | |
| 818 | 638 | |
| - | - | |
| 8.0 | 0.0 | |
| about 1 month ago | over 1 year ago | |
| JavaScript | JavaScript | |
| MIT License | MIT License |
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timezone-boundary-builder
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Falsehoods programmers believe about time zones
They don't really bother me. They aren't AI spam, and some folks may enjoy them. It's pretty easy to not click on a link, for me.
TZ are a fun project. I found that it's difficult to translate a long/lat into a TZ ID, so I wrote this[0].
Works a charm. It's based on the Timezone Boundary Builder[1].
[0] https://github.com/LittleGreenViper/LGV_TZ_Lookup
[1] https://github.com/evansiroky/timezone-boundary-builder
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SpatiaLite: Library extending SQLite to support Spatial SQL capabilities
I wrote a tutorial on SpatiaLite here: https://datasette.io/tutorials/spatialite - "Building a location to time zone API with SpatiaLite"
It shows how to use SpatiaLite + Datasette to build an API that can tell you what timezone a latitude/longitude point is in, using data derived from OpenStreetMap via https://github.com/evansiroky/timezone-boundary-builder
Here's a demo: https://timezones.datasette.io/timezones/by_point?longitude=... - add ".json" to the URL for the JSON output.
- Does a country's legislated time zones extend to the limit of its territorial sea or its exclusive economic zone?
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Falsehoods programmers believe about time
I have never had an opportunity to deploy this tool, but here's a program for generating a TZ shapefile from OpenStreetMap data:
https://github.com/evansiroky/timezone-boundary-builder
In principle a calendar program could use its output to perform GIS lookups of locations then use the tzinfo DB to get the correct timezone at the given location and specified time.
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How can I get a user's timezone based on location and create a DateTime() based on that timezone?
You could ask google. Amazon or Microsoft probably offer similar APIs. Or you can do it yourself. It's a very complicated topic, though.
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Big problems at the timezone database
There is a separate timezone boundary builder which maps geography to timezones using a shapefile, and the shapefile is >35MB uncompressed. By comparison the latest tzdata is 1.2M uncompressed.
- how do i konw the datum for a country? in postgis?
geolocator
What are some alternatives?
OpenRailwayMap - An OpenStreetMap-based project for creating a map of the world's railway infrastructure.
matrix-user-verification-service - Service to verify details of a user based on a Open ID token.
openinframap - Open Infrastructure Map
RPG-Maker-MV-Decrypter - You can decrypt RPG-Maker-MV Resource Files with this project ~ If you don't wanna download it, you can use the Script on my HP:
js-joda - :clock2: Immutable date and time library for javascript
LocateJS - Check if your location is actually hidden
awesome-falsehood - 😱 Falsehoods Programmers Believe in
magento2-address-validation - Magento 2: Extended address validation against webservices
leaflet-examples - :maple_leaf: A collection of examples of leaflet map usage
the-matrix-effect - The incredible effect of rain of letters in the style of the Matrix trilogy.